Answer:
Natural selection occurs if four conditions are met: reproduction, heredity, variation in physical characteristics and variation in number of offspring per individual.
Explanation:
Answer:
A
Explanation:
Near the nucleus, Centrioles are primarily used to assist in the division of cells
The best answer is (1)
Fossil fuels are commercially available as an energy source.
They are very easy to find. More and more extractions of fossil fuels is going on everyday. With advancement in science and technology, the refineries and extraction procedures have improved a lot. This makes their availability even better.
Fossil fuels are also easily combustible. Most combustion engines need to be powered with little amount of fuel to produce large amount of energy. Very large amounts of electricity can be generated from fossil fuels.
B is the answer. That is the brain
The man responsible for developing the modern scientific classification system, that scientists still use and follow today is Carolus Linnaeus.
